Alternating current is measured by________?
Aelectrostatic ammeter
Binduction ammeter
Cmoving iron repulsion type voltmeter
Dpermanent magnet type ammeter
Correct answer
B. induction ammeter
Explanation
The correct answer is induction ammeter.
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Study 109 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
B. induction ammeter
Explanation
The correct answer is induction ammeter.
Correct answer
A. Wattmeter
Explanation
A wattmeter is an electrical instrument which is used to measure the electric power (in watts) of any electrical circuit. Voltmeter – is used to measure electric potential difference between two points, Wavemeter – is used to measure the wavelength of a radiowave, Viscometer – is used measure viscosity of liquid.
Correct answer
D. linear
Explanation
The correct answer is linear.
Correct answer
C. Maxwell Wein bridge for measurement of inductance and modified De Santy’s bridge for measurement of capacitance
Explanation
The correct answer is Maxwell Wein bridge for measurement of inductance and modified De Santy’s bridge for measurement of capacitance.
Correct answer
B. heterodoxy frequency meter
Explanation
The correct answer is heterodoxy frequency meter.
Correct answer
C. one voltmeter, one ammeter and one wattmeter
Explanation
The correct answer is one voltmeter, one ammeter and one wattmeter.
Correct answer
C. bus-bars
Explanation
The correct answer is bus-bars.
Correct answer
C. both the ground fault and the short-circuit fault
Explanation
The correct answer is both the ground fault and the short-circuit fault.
Correct answer
D. both D.C. and A.C.
Explanation
The correct answer is both D.C. and A.C..
Correct answer
B. by pass the current
Explanation
The correct answer is by pass the current.